Jeffy has to be quiet.
Jackie Chu is sick so there is a substitute teacher!
Jeffy sees Junior's dog and decides he wants a pet!
Chef Pee Pee thinks he is good at cooking, but someone needs to let him know the truth!
After Joseph breaks every bone in his body trying to pull off a crazy stunt, Junior and Cody have to raise money to pay for his medical bills!
Jeffy's mom comes back;
Bowser Junior gets the Corn Dog Curse!
We go inside Jeffy's Brain to see what makes him the way he is!
Bowser Junior and his friends watch a haunted movie that kills you seven days after you watch it!
Junior and his friends drink a lot of root beer!
Junior and his friends think Chef Pee Pee is a robot.
It's time to give Jeffy a bath!
Junior thinks the new girl in school is HOT! Cody makes a love potion to make her fall in love with Junior!
Joseph's trailer catches on fire so he asks Junior if he can live with him. Junior says yes, but will he regret his decision?
Jeffy gets stung by a Bee while trying to eat it.
Bowser Junior is frozen for 50 years! Kinda.
Bowser Junior's friends want to go camping, but Junior is afraid of sleeping outside.
Mario is given a Nintendo Switch that he must sell to an investor for Nintendo.
Bowser Junior and Jeffy switch bodies while playing 1 2 Switch on the Nintendo Switch and have to find out how to switch back to their original bodies!
Jeffy becomes a rapper! But is the thug life too tough for Jeffy?
It's Saint Patrick's Day! So Junior is pinching everyone who isn't wearing green!
Cody accidentally leaves Ken with Junior and Joseph.
Jeffy wants a game from the app store but Mario won't buy it for him!
Bowser Junior and his friends play pretend house!
Bowser Junior and his friends sneak into a rated R movie!
APRIL FOOLS 2017! Originally titled SuperMarioLogan the Movie! This video has triggered over 20,000 people!
Bowser Junior thinks the Loch Ness Monster lives in the lake in his backyard!
In class Junior and Jeffy are given a baby they have to take care of for a full 24 hours! Will they pass the grade?
Shrek has an accident on the couch.
It's Easter! And there is a golden egg hidden somewhere in the house!
What the title says.
Bowser Junior finds a mystery safe in his backyard!
Mario and Jeffy accidentally run over a homeless guy and kill him. Mario and Jeffy try to hide the body without getting caught.
Cody is missing from all Nintendo Games!
Jeffy gets a new toy!
Bowser Junior spills his drink and blames it on Chef Pee Pee!
Mario and Jeffy are playing hide and seek. Jeffy opens the secret door.
Jeffy's pencil in his nose can make drawings come to life!
Mario gets Jeffy a piggy bank to keep his money safe!
8 Years after the original! Made with the goat Zeke!
Mario needs Chef Pee Pee to babysit Jeffy!
Black Yoshi scams people out of a million dollars!
Mario buys Jeffy a fidget spinner so he will stop being annoying!
Bowser Junior and his friends get stuck in the couch.
Jeffy doesn't like green beans!
Jeffy wants to go to the movies with Junior! but Mario will not let him! Jeffy decides to sneak out!
Bowser Junior wins 2 tickets to Punch in the Face-a-thon!, but can only take one friend!
Chef Pee Pee is entering The Best Chef Competition and he is up against Goodman. Mario needs to pay his house payment to Mr. Goodman but does not have the money.
Jeffy sneezes his brain out!
Bowser Junior and his friends find a magical button in the attic!
Oh no Chef Pee Pee!
Ken has sunken to the bottom of the ocean! It is up to Cody and Junior to save him!
Jeffy and Mario get their own reality TV Show! But they need to change a few things.
Jeffy is getting bullied at school! Jeffy teaches Bully Bill a lesson!
1Mario accidentally rear ends Mr. Goodman!
Bowser Junior and his friends get superpowers! Again!
Shrek is in a coma from eating too much cheesecake!
Jeffy has hiccups and Mario tries to get rid of them!
Who will save everyone from the killer shrimp?
There is a BIG test coming up! Junior and his friends have to pass to get a PIZZA PARTY!
Black Yoshi needs a new Xbox and sells a ring to buy it.
Bowser Junior thinks Chef Pee Pee wants to be an octopus!
It's Jeffy's 13th birthday! The same day as the solar eclipse!
It's picture day at school! Who will have the best picture?
Cody wants to prove to his friends that Ken is real!
Jeffy's shirt gets dirty and Mario has to wash it!
Mario leaves Jeffy home alone!
Joseph gives Bowser Junior a new doll!
Bowser Junior and his friends try to find Bigfoot!
Jeffy needs a new helmet because he broke his old one!
Chef Pee Pee has one day to live!
Bowser Junior is grounded on his birthday! But that won't stop him from throwing a party!
Jeffy doesn't want to go to school so he tries to trap Mario.
Mario takes Jeffy's Cat Piano and Jeffy wants it back!
It's Friday the 13th and Junior thinks something bad is gonna happen!
Junior and his friends play board games!
There is a monster under Jeffy's bed!
Mario gets a new hat after his old hat gets destroyed!
It's been 2 years and Joseph reveals that he believes that he had murdered his mom while sleep walking.
Jeffy gets a dog!
Black Yoshi wants to the NEW Call of Duty Special Edition PlayStation 4!
Jeffy gets a bike for getting good grades on his report card!
Cody finds out they didn't make an amiibo of him and he is MAD!
Black Yoshi goes black Friday shopping and gets in trouble!
Jeffy is acting really bad! So Mario wants to get him some help!
Bowser Junior is sick and doesn't have anyone to take care of him!
Jeffy has kids with his Cheerios box!
Goodman needs Mario to take care of his diamond!
Jeffy plays Minecraft, but gets into some trouble when he reenacts the events in the game!
Bowser Junior gets a remote in his Happy Meal!
Jeffy gets his haircut!
Merry Christmas!
Cody is worried about his report card!